104575561 has 4 divisors (see below), whose sum is σ = 104761872. Its totient is φ = 104389252.

The previous prime is 104575547. The next prime is 104575571. The reversal of 104575561 is 165575401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104575561 - 2⁵ = 104575529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104575531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92311 + ... + 93436.

It is an arithmetic number, because the mean of its divisors is an integer number (26190468).

Almost surely, 2^104575561 is an apocalyptic number.

It is an amenable number.

104575561 is a deficient number, since it is larger than the sum of its proper divisors (186311).

104575561 is an equidigital number, since it uses as much as digits as its factorization.

104575561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186310.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 104575561 is about 10226.2192916053. The cubic root of 104575561 is about 471.1328655112.

The spelling of 104575561 in words is "one hundred four million, five hundred seventy-five thousand, five hundred sixty-one".